documentary heritage or for fumigating specimens with insecticide for preservation. Double walled unit has outer made of cold rolled steel sheet duly powder coated. Inner chamber and perforated shelves Meant for fumigating specimens with insecticide for preservation. Specimens may be placed in the chamber, insecticide sprayed and the lockable airtight door be closed. Air circulating fan is provided on one The perforated sheet is used when small specimens are to be fumigated., then the perforated sheet placed in the chamber and the specimens kept on it followed by the process of spraying the insecticide and switching on the fan. Fitted with MICROPROCESSOR BASED DIGITAL TEMPERATURE CUM INDICATOR for temperature control having LED display and Auto Time Control System. After the set temperature is attained the timer starts automatically & on completion of set count down/up time the supply of heater is cut-off & the system sound a buzzer alerting the user that the cycle